#!/bin/sh
# $OpenBSD: find-build-order,v 1.1 2011/11/28 10:30:22 jasper Exp $
# Copyright (c) 1999 Marc Espie.  All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Neither the name of OpenBSD nor the names of its contributors
#    may be used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY ITS AUTHOR AND THE OpenBSD project ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

# This is a simple filter that takes a set of package and outputs a full
# dependency list, so that you may build things in order.
# input is of the form: dir/package BUILD_PARAM1=something...
# and output is a list of dir/package

: ${PORTSDIR:=/usr/ports}

case "$1" in
"build")
	type=depends-list;;
"run")
	type=package-depends;;
"all"|*)
	type="depends-list package-depends";;
esac

(while read i j
do
	case $i in
	\#*);;			# comments
	*)
		echo "Depending $i" >&2
		cd ${PORTSDIR}/$i && make FULL_PACKAGE_NAME=yes $j $type
		k=`cd ${PORTSDIR}/$i && make FULL_PACKAGE_NAME=yes $j package-name`
		echo "$k $k";;
	esac
done)|tsort|tail -r
